Operation Mode of Rolls Under Pressure
In the working process the roll is squeezed together, i.e. pressure is applied to it. In contrast to JVM Rolls, rubber and polyurethane coated rolls are prone to substantial plastic deformation.
This leads to a distortion of the coating in the work area (nip) of the rolls. The contact pressure, which is adjusted by hydraulic or pneumatic cylinders, causes tensions in the surface of the rubber or the polyurethane coating.